/* 开发者提供云服务栏 */
.nav .nav-1 {
    text-align: center;
    margin-bottom: 20px;
}

.nav .nav-1 h2 {
    font-size: 42px;
    font-weight: 700;
}

.nav .nav-1 p {
    font-size: 14px;
    margin: 20px 0px;
}

/* 开发者提供云服务图片栏 */
.nav .nav-2 {
    display: flex;
    justify-content: space-around;
}

.box1 {
    position: absolute;
    top: 0;
    left: 0;
}

.nav .nav-3 {
    display: flex;
    justify-content: space-around;
}

.nav .nav-3 div {
    width: 240px;
    height: 150px;
}

.nav .nav-3 div h3 {
    font-size: 30px;
}

.nav .nav-3 div p {
    margin-bottom: 10px;
}

/* < !-- 惠集样式 --> */
.api-1 .api-2 {
    text-align: center;
}

.api-1 .api-2 h3 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.api-1 .api-2 p {
    margin-bottom: 20px;
}

.api-1 .api-3 {
    display: flex;
    margin-bottom: 50px;
}

.api-1 .api-3 .api-4 {
    position: relative;
    height: 81px;
    background-color: #FBFBFD;
    margin-bottom: 10px;
    padding-left: 20px;
    padding-top: 15px;
    padding-bottom: 18px;
    box-sizing: border-box;
}

.api-1 .api-3 .api-4 .pt-1 {
    position: absolute;
    width: 4px;
    height: 24px;
    left: 0px;
    top: 28px;
    background-color: #1271ef;
}

.api-1 .api-3 .btn {
    display: flex;
    flex-direction: column;
}

.api-1 .api-3 .api-4 .pt-2 {
    background-image: url(../images/master-item-icon-01.svg);
    line-height: 26px;
    color: #333;
    font-size: 18px;
    padding-left: 24px;
    background-repeat: no-repeat;
    background-position: 0px 4px;
}

/* 助力行业巨头 */
.api-1 .help {
    height: 444px;
}

.api-1 .help .help-1 {
    text-align: center;
    margin-bottom: 20px;
}

.api-1 .help .help-1 h3 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

/* 图片 */
.api-1 .help .help-2 .help-3.on {
    opacity: 1;
}

.api-1 .help .help-2 {
    position: relative;
}

.api-1 .help .help-2 .help-3 {
    display: flex;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
}

.api-1 .help .help-2 .help-3 .help-4 p {
    font-size: 25px;
    padding: 5px 0;
}

/* 数据安全和可靠合规的服务*/
.api-1 .hair {
    height: 250px;
}

.api-1 .hair .hair-1 {
    text-align: center;
}

.api-1 .hair .hair-1 h3 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.api-1 .hair .hair-1 p {
    margin-bottom: 10px;
}

.api-1 .hair .hair-2 {
    display: flex;
    justify-content: space-around;
}

.api-1 .hair .hair-2 div img {
    width: 90px;
    height: 60px;
    margin-bottom: 10px;
}

/* < !-- 免费试用上百种API --> */

.linkstar {
    background-image: url(../images/bottombg.png);
    background-repeat: no-repeat;
    background-size: 100% 400px;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.linkstar p:nth-child(1) {
    font-size: 42px;
}

.linkstar p:nth-child(2) {
    width: 120px;
    height: 80px;
    margin-top: 50px;
    line-height: 80px;
    border: 1px solid;
}

.linkstar p:nth-child(2) a {
    color: black;
}

.linkstar p:nth-child(2) a:hover {
    color: white;
}

.linkstar p:nth-child(2):hover {
    background-color: orange;
}

/* 尾部部分 */
.footer {
    margin-bottom: 50px;
}

.footer .footers {
    display: flex;
    margin-top: 20px;
}

.footer .footers .footer-1 {
    display: flex;
    flex-direction: column;
}

.footer .footers .footer-1 span {
    margin-bottom: 30px;
}

.footers .footer-1 ul li {
    width: 200px;
    height: 50px;
    color: #B3B3B3;
}

.footer .footers .footer-1 ul {
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.footer .footers .footer-2 {
    margin-right: auto;
    text-align: right;
}

.footer .footers .footer-2 span img {
    width: 110px;
    height: 110px;
}

.footer .footers .footer-2 p:nth-child(1) {
    font-size: 30px;
    margin-bottom: 10px;
}

.footer .footers .footer-2 p:nth-child(2) {
    color: #B3B3B3;
    margin-bottom: 30px;
}

.footer .footer-3 .footer3 {
    display: inline;
    margin-left: 295px;
    color: #B3B3B3;
    font-size: 20px;

}

.footer .footer-3 .footer2 {
    color: #B3B3B3;
    font-size: 15px;
}

/* 回到顶部 */
.btns {
    background-image: url(../images/returntopicon.jpg);
    background-repeat: no-repeat;
    width: 60px;
    height: 36px;
    cursor: pointer;
    background-position: -464px -201px;
    position: fixed;
    margin-left: 71%;
    top: 93%;
    /* display: none; */
}

body {
    background-color: #F1F1F0;
}